diff --git a/TitanEngine/TitanEngine.Static.cpp b/TitanEngine/TitanEngine.Static.cpp
index 344d3d3..74c5866 100644
--- a/TitanEngine/TitanEngine.Static.cpp
+++ b/TitanEngine/TitanEngine.Static.cpp
@@ -230,7 +230,7 @@ __declspec(dllexport) void TITCALL StaticMemoryDecrypt(LPVOID MemoryStart, DWORD
     BYTE DataByte = NULL;
     WORD DataWord = NULL;
     DWORD DataDword = NULL;
-    ULONG_PTR DataQword = NULL;
+    ULONG64 DataQword = NULL;
 
     //ignore too big stuff
     if(DecryptionKeySize>sizeof(ULONG_PTR))